00000nam a2200000 a 4500 Mason, Conrad aut Verfasser/-in Technik Erfindungen Fahrzeuge Alltagsgegenstände Kindersachbuch See inside how things work With over 90 flaps to lift Mason, Conrad London Usborne Publishing Ltd 2009 An Usborne Flap Book Have you ever wondered just what happens when you flush a toilet, or what goes on inside a light bulb? Do you want to know how a digger scoops up soil, why boats float and what keeps planes up in the air? Lift the flaps to see inside how things work - from everyday inventions to massive machines. 9780746098516 9780746098516 eng Band